1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.events;
24  
25  import com.liferay.portal.kernel.events.Action;
26  import com.liferay.portal.kernel.log.Log;
27  import com.liferay.portal.kernel.log.LogFactoryUtil;
28  
29  import java.text.NumberFormat;
30  
31  import javax.servlet.http.HttpServletRequest;
32  import javax.servlet.http.HttpServletResponse;
33  
34  /**
35   * <a href="LogMemoryUsageAction.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Brian Wing Shun Chan
38   */
39  public class LogMemoryUsageAction extends Action {
40  
41      public void run(HttpServletRequest request, HttpServletResponse response) {
42          Runtime runtime = Runtime.getRuntime();
43  
44          NumberFormat nf = NumberFormat.getInstance();
45  
46          String freeMemory = nf.format(runtime.freeMemory());
47          String totalMemory = nf.format(runtime.totalMemory());
48          String maxMemory = nf.format(runtime.maxMemory());
49  
50          if (_log.isDebugEnabled()) {
51              _log.debug(
52                  "Memory Usage:\t" + freeMemory + "\t" + totalMemory + "\t" +
53                      maxMemory);
54          }
55      }
56  
57      private static Log _log = LogFactoryUtil.getLog(LogMemoryUsageAction.class);
58  
59  }